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What is a Eccentric muscle contraction?
That is the negative portion of a movement. Lowering the weight during a bench press
What is the joint action during the eccentric phase of a biceps curl?
A concentric movement would be flexing the elbow and curling a dumbbell towards the shoulder, an eccentric contraction would be the opposite movement ie bringing the dumbbell back down towards the thigh.
A contraction in which a muscle exerts force lengthens and is overcome by a resistance?
Eccentric contraction (isotonic)
What is the correct phase order of the stretch shortening cycle?
The correct phase order of the stretch-shortening cycle is eccentric contraction, amortization phase, and concentric contraction. This sequence allows for energy storage during the eccentric phase, a brief pause to transition from lengthening to shortening, and then rapid muscle shortening in the concentric phase for powerful movement.
The quadriceps are contracted?
Example: If you're sitting normally in a chair when your quadriceps contract, your lower leg will be extended, so that it's straight. If you're standing, your leg will go from being bent to being straight.
What are different types of contraction in sport?
The different types of contraction in sport is; Concentric Eccentric you also have to include; joint action e.g. Extension / flexion the agonist / agonistic muscle pairs e.g. hamstrings, quadriceps, biceps, triceps ect. & the joint itself e.g. knee, elbow, shoulder,
What are the types of contractions doing a situp?
A sit up is an eccentric muscle contraction.
A contraction that causes a muscle to lengthen rather than shorten is called?
An eccentric contraction is one that causes a muscle to lengthen.
Which type of contraction is most likely to cause discomfort in q5?
The eccentric muscle contraction is most likely to cause discomfort in q5.
What type of muscular contraction is leg extension?
There are 3 types of muscle contraction in the leg extention and they are Concentric, Isometric, and Eccentric contractions.
What does cellular activity do during the phases of Eccentric contraction?
During the eccentric contraction phase, cellular activity involves lengthening the muscle fibers while generating force. This phase creates tension in the muscle as it elongates, allowing for controlled movement and resistance against external forces. Additionally, cellular processes such as protein breakdown and remodeling contribute to muscle adaptation and strength gains.
What is the importance of motor unit stimulation duting an eccentric isotonic contraction?
The importance of motor unit stimulation during an eccentric isotonic contraction is to try and keep the unit as stable as possible. Otherwise, the unit may go haywire.
